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Cave Nebula (Sh2-155) widefield in HSTrgb, Jose Carballada

Cave Nebula (Sh2-155) widefield in HSTrgb

Technical card

Imaging telescope or lens:Teleskop Service TS Photoline 107mm f/6.5 Super-Apo

Imaging camera:ZWO ASI1600MM-Cool

Mount:Astro-Physics Mach-1 GTO CP4

Guiding telescope or lens:Celestron OAG Deluxe

Guiding camera:QHYCCD QHY5III174

Focal reducer:Riccardi Reducer/Flattener 0.75x

Software:Pleiades Astrophoto PixInsight ,  Astro-Physics AAPC ,  Seqence Generator Pro

Filters:Astrodon O-III 36mm - 5nm ,  Astrodon S-II 36mm - 5nm ,  Astrodon R Gen.2 E-series 36mm ,  Astrodon G Gen.2 E-series 36mm ,  Astrodon B Gen.2 E-series 36mm ,  Astrodon HA 36mm - 5nm

Accessories:ZWO EFW ,  MoonLite NiteCrawler WR30

Dates:Oct. 5, 2018 ,  Oct. 7, 2018 ,  Nov. 2, 2018 ,  Nov. 6, 2018

Frames:
Astrodon B Gen.2 E-series 36mm: 23x1" (gain: 200.00) -20C bin 1x1
Astrodon G Gen.2 E-series 36mm: 23x1" (gain: 200.00) -20C bin 1x1
Astrodon HA 36mm - 5nm: 50x300" (gain: 200.00) -20C bin 1x1
Astrodon O-III 36mm - 5nm: 23x300" (gain: 200.00) -20C bin 1x1
Astrodon R Gen.2 E-series 36mm: 23x1" (gain: 200.00) -20C bin 1x1
Astrodon S-II 36mm - 5nm: 23x300" (gain: 200.00) -20C bin 1x1

Integration: 8.0 hours

Avg. Moon age: 26.41 days

Avg. Moon phase: 13.11%

Basic astrometry details

Astrometry.net job: 2371030

Resolution: 1656x2230

Locations: Berga Resort, Berga, Barcelona, Spain

Data source: Backyard

Description

Sh2-155 is a diffuse nebula in the constellation Cepheus, within a larger nebula complex containing emission, reflection, and dark nebulosity.
It is widely known as the Cave Nebula, is an ionized H II region with ongoing star formation activity, at an estimated distance of 725 parsecs (2400 light-years) from Earth.
(description credits: wikipedia)

Comments

Author

Carballada
Jose Carballada
License: Attribution-NonCommercial-ShareAlike Creative Commons
1962
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Revisions

  • Cave Nebula (Sh2-155) widefield in HSTrgb, Jose Carballada
    Original
  • Final
    Cave Nebula (Sh2-155) widefield in HSTrgb, Jose Carballada
    C

C

Description: Additional TGVDenoise after star reduction

Sky plot

Sky plot

Histogram

Cave Nebula (Sh2-155) widefield in HSTrgb, Jose Carballada

In these public groups

Cloudy Nights
Sharpless2 Objects
The refractors!
Image the Universe
Narrowband imaging
Suburban Astrophotography
ZWO ASI1600MM/QHY163M